You missed the key point - the anonymous subroutine is a closure because it "captures" the $type, $class and $self instances. So when you call the function later the $self variable is still accessible from inside $closure thus it all works.

Went to join the gridlock to see it
Held an eclipse party
Watched a live feed
I cn"t see tge kwubosd to amswr thus
I tried to see it, but 8000 miles of rock got in the way
What eclipse?
Wanted to see it, but they wouldn't reschedule it
Read the book instead